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About product and suppliers:
        Alibaba.com offers 1,130 door spring mechanism products. About 40% of these are springs, 7% are seals, and 1% are machining. 

A wide variety of door spring mechanism options are available to you, such as steel, stainless steel, and iron. You can also choose from cylinder, coil, and spiral. As well as from furniture, industrial, and automobile;auto;car. And whether door spring mechanism is compression, gas, or extension. 

There are 1,130 door spring mechanism suppliers, mainly located in Asia. The top supplying countries or regions are China, Taiwan, China, and Turkey, which supply 98%, 1%, and 1% of door spring mechanism respectively. 

Door spring mechanism products are most popular in North America, Western Europe, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 540 with ISO9001, 117 with Other, and 44 with ISO14001 certification.